US3312397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double burner oven control system
Assignee: Robertshaw Controls Co
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Filing: 1964-07-22
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Granted: 1967-04-04
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Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 James R Willson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:41
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN COMBINATION, A BAKE BURNER, PILOT MEANS, A BROIL BURNER, A SOURCE OF FUEL, A SELECTOR VALVE, FIRST MEANS INTERCONNECTING SAID SOURCE OF FUEL WITH SAID SELECTOR VALVE, AN AUTOMATIC VALVE DISPOSED IN SAID FIRST MEANS AND BEING RESPONSIVE TO A FLAME AT SAID PILOT MEANS TO INTERCONNECT SAID SOURCE OF FUEL TO SAID SELECTOR VALVE, SAID PILOT MEANS BEING ADAPTED TO CAUSE CYCLIC OPERATION OF SAID BAKE BURNER TO MAINTAIN A BAKING TEMPERATURE EFFECT AND TO CAUSE CYCLIC OPERATION OF SAID BROIL BURNER TO MAINTAIN A BROIL TEMPERATURE EFFECT, SECOND MEANS INTERCONNECTING SAID SELECTOR VALVE WITH SAID BAKE BURNER, AND THIRD MEANS INTERCONNECTING SAID SELECTOR VALVE WITH SAID BROIL BURNER WHEREBY SAID SELECTOR VALVE CAN SELECTIVELY DIRECT FUEL TO EITHER SAID BAKE BURNER OR SAID BROIL BURNER ONLY WHEN SAID AUTOMATIC VALVE SENSES A FLAME AT SAID PILOT MEANS.
Claim 2
Dependent Claim
140 words
IN COMBINATION, A BAKE BURNER, PILOT MEANS, A BROIL BURNER, A SOURCE OF FUEL, A SELECTOR VALVE, FIRST MEANS INTERCONNECTING SAID SOURCE OF FUEL WITH SAID SELECTOR VALVE, AN AUTOMATIC VALVE DISPOSED IN SAID FIRST MEANS AND BEING RESPONSIVE TO A FLAME AT SAID PILOT MEANS TO INTERCONNECT SAID SOURCE OF FUEL TO SAID SELECTOR VALVE, SAID PILOT MEANS BEING ADAPTED TO CAUSE CYCLIC OPERATION OF SAID BAKE BURNER TO MAINTAIN A BAKING TEMPERATURE EFFECT AND TO CAUSE CYCLIC OPERATION OF SAID BROIL BURNER TO MAINTAIN A BROIL TEMPERATURE EFFECT, SECOND MEANS INTERCONNECTING SAID SELECTOR VALVE WITH SAID BAKE BURNER, AND THIRD MEANS INTERCONNECTING SAID SELECTOR VALVE WITH SAID BROIL BURNER WHEREBY SAID SELECTOR VALVE CAN SELECTIVELY DIRECT FUEL TO EITHER SAID BAKE BURNER OR SAID BROIL BURNER ONLY WHEN SAID AUTOMATIC VALVE SENSES A FLAME AT SAID PILOT MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |